EP3153137A1 - Vaginale arzneimittelabgabevorrichtung und vaginale diagnostische vorrichtung - Google Patents

Vaginale arzneimittelabgabevorrichtung und vaginale diagnostische vorrichtung Download PDF

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Publication number
EP3153137A1
EP3153137A1 EP15188465.7A EP15188465A EP3153137A1 EP 3153137 A1 EP3153137 A1 EP 3153137A1 EP 15188465 A EP15188465 A EP 15188465A EP 3153137 A1 EP3153137 A1 EP 3153137A1
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EP
European Patent Office
Prior art keywords
flexible
diagnostic device
drug delivery
rigid
vaginal drug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15188465.7A
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English (en)
French (fr)
Inventor
Wilhelmus Nicolaas Gerardus Maria DE LAAT
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Li Galli BV
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Li Galli BV
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Filing date
Publication date
Application filed by Li Galli BV filed Critical Li Galli BV
Priority to EP15188465.7A priority Critical patent/EP3153137A1/de
Priority to JP2018517822A priority patent/JP7159045B2/ja
Priority to ES16781335T priority patent/ES2793352T3/es
Priority to PCT/EP2016/073788 priority patent/WO2017060299A1/en
Priority to EP16781335.1A priority patent/EP3359099B1/de
Priority to CN201680057947.3A priority patent/CN108135731B/zh
Publication of EP3153137A1 publication Critical patent/EP3153137A1/de
Priority to US17/155,651 priority patent/US12036033B2/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
    • A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
    • A61B5/4318—Evaluation of the lower reproductive system
    • A61B5/4337—Evaluation of the lower reproductive system of the vagina
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
    • A61F6/06—Contraceptive devices; Pessaries; Applicators therefor for use by females
    • A61F6/14—Contraceptive devices; Pessaries; Applicators therefor for use by females intra-uterine type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/0012—Ovulation-period determination
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
    • A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
    • A61B5/4318—Evaluation of the lower reproductive system
    • A61B5/4325—Evaluation of the lower reproductive system of the uterine cavities, e.g. uterus, fallopian tubes, ovaries
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
    • A61B5/6875—Uterus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
    • A61F6/06—Contraceptive devices; Pessaries; Applicators therefor for use by females
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0034—Urogenital system, e.g. vagina, uterus, cervix, penis, scrotum, urethra, bladder; Personal lubricants
    • A61K9/0036—Devices retained in the vagina or cervix for a prolonged period, e.g. intravaginal rings, medicated tampons, medicated diaphragms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0204—Operational features of power management
    • A61B2560/0214—Operational features of power management of power generation or supply
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
    • A61B5/002—Monitoring the patient using a local or closed circuit, e.g. in a room or building
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14546—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring analytes not otherwise provided for, e.g. ions, cytochromes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3303—Using a biosensor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/14—Female reproductive, genital organs
    • A61M2210/1475—Vagina
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/20—Blood composition characteristics
    • A61M2230/201—Glucose concentration

Definitions

  • the present invention is related to a vaginal drug delivery device and to a vaginal diagnostic device.
  • the present invention is also related to a combination of a vaginal drug delivery device and a vaginal diagnostic device.
  • a vaginal drug delivery device is a device configured for delivering drugs while inside the vagina.
  • a vaginal diagnostic device is configured for performing a diagnostic or measurement function while inside the vagina.
  • Vaginal drug delivery devices are known in the art.
  • a low-dose contraceptive vaginal ring known as Nuvaring®, is manufactured from poly(ethylene-co-vinyl acetate). This ring releases hormones to provide contraception protection.
  • This known ring is made from a flexible material allowing the ring to be squeezed to transform a shape of the ring for allowing the ring to be inserted into the vagina.
  • the hormones are added to the flexible material in such a manner that the ring slowly releases the hormones after placement in the vagina.
  • a drawback of this known device is that the release of drugs is not entirely constant in time. Furthermore, the delivery rate of the drugs is continuous and has only one dosage. It is independent of variable factors such as age and weight. Obviously it cannot be switched off or on, other than being inserted or removed. It does not have the programmability (schedule) or adjustability (dose) possibility.
  • a further drawback exists due to the fact that the drug delivery does not depend on ambient conditions and more in particular the physiological state of the user, e.g. whether the user is a fast/slow metabolizer, or the moment in the fertility cycle. Consequently, an inappropriate amount of drugs may be delivered.
  • An object of the invention is to provide a device with which the abovementioned disadvantages can be prevented or minimized.
  • this object is achieved with the vaginal drug delivery and/or diagnostic device as claimed in claim 1.
  • This device comprises a first rigid member having a first and second end, a second rigid member having a third and fourth end, a first flexible member coupled between the first and third ends, and a flexible part coupled between the second and fourth ends.
  • the first rigid member and/or second rigid member comprises a reservoir holding a medicament to be delivered, an opening, and a pump for pumping the medicament out of said opening.
  • the first rigid member and/or second rigid member comprises a diagnostic device for performing an intravaginal diagnosis or measurement therefore.
  • At least one of the first flexible member and the flexible part is at least partially elastic, wherein the elasticity of the at least one of the first flexible member and the flexible part is such that 1) the device can be squeezed to transform a shape of the device from an extended shape to a collapsed shape for allowing the device to be inserted into a vagina of a user, 2) the device is pre-biased to assume the extended shape when little to no external force is being applied thereto, said extended shape corresponding to a substantially oval or annular ring shape, and 3) the device assumes a shape substantially corresponding to the extended shape when the device is placed and released at or near the Fornix Uteri or Cervix Uteri of a user.
  • the invention proposes to divide the vaginal drug delivery and/or diagnostic device into rigid and flexible components, wherein the functional parts of the drug delivery and/or diagnostic mechanism, which are mostly sensitive and/or rigid components, are incorporated in the rigid component(s) and wherein the flexible components allow the device to be squeezed to transform the shape of the device to allow a user to place the device inside the vagina.
  • the elasticity of the device originating from at least one of the first flexible member and the flexible part, causes the device to substantially return to its original shape.
  • This shape is important as the device should not or hardly be felt by the user when placed inside the vagina.
  • the shape should be such that it should not or hardly be noticeable during coitus. It is therefore preferable when an outer surface of the device is substantiality smooth.
  • a smooth outer surface prevents or limits irritation of the vaginal wall.
  • the at least one of the first flexible member and the flexible part is at least partially made from an elastic material.
  • the first flexible member acts as a hinge to allow the first and second rigid members to move with respect to each other.
  • the first flexible member is made of an elastic and flexible material, whereas the flexible part is merely flexible having little to no elasticity.
  • the first and second rigid members can be moved to each other by applying an external force.
  • the flexible part flexes to accommodate this movement. Once the external force is removed, the device springs back to its original form due to the elasticity of the first flexible member.
  • the flexible part could comprise a second flexible member, a third flexible member, a fourth flexible member, a third rigid member having a fifth and sixth end, and a fourth rigid member having a seventh and eight end.
  • the second flexible member is coupled in between the second end and the fifth end
  • the third flexible member is coupled in between the fourth end and the seventh end
  • the fourth flexible member is coupled in between the sixth end and the eight end.
  • the flexible part is at least partially elastic.
  • at least one of the second, third, and fourth flexible member is at least partially made from an elastic material.
  • the flexible part could also provide a pre-bias to assume the extended shape.
  • the second, third, or fourth rigid member may comprise a source of electrical energy, such as a battery, for providing electrical energy to the pump and/or diagnostic device.
  • the device may further comprise a first flexible electrical connection in between the energy source and the pump and/or diagnostic device. This first flexible electrical connection can be accommodated in the flexible member(s) arranged in between the pump and/or diagnostic device and the rigid member that holds the electrical energy source.
  • the pump and the energy source can be accommodated in different rigid members among the first, second, third, and fourth rigid members, and/or the diagnostic device and the energy source can be accommodated in different rigid members among the first, second, third, and fourth rigid members.
  • the first, second, third, or fourth rigid member may comprise a controller for controlling the pump and/or diagnostic device.
  • the first, second, third, or fourth rigid member may comprise a sensor for measuring biochemical compounds and/or medicines, such as a hormone levels like Oestradiol, Luteinizing hormone (LH), and progesterone or glucose.
  • the first, second, third, or fourth rigid member may comprise such sensor, wherein the controller is configured for controlling the pump in dependence of a measurement performed by this sensor. The measurement can be done physicochemically, or as assay, in the cervical mucus or transudate of the vaginal wall.
  • the device may further comprise a second flexible electrical connection in between the sensor and the controller, and/or a third flexible electrical connection in between the energy source and the controller, and/or a fourth flexible electrical connection in between the controller and the pump and/or diagnostic device, wherein the second, third, and/or fourth flexible electrical connection is at least partly accommodated in the first, second, third, and/or fourth flexible member.
  • the first, second, third, and/or fourth rigid member and the first, second, third, and/or fourth flexible member can be formed, preferably by injection moulding, using a respective material composition, and wherein the material composition(s) used for the rigid members differs from the material composition(s) used for the flexible members.
  • the couplings between the flexible and rigid members can be fixed, preferably formed during the injection moulding of the flexible and/or rigid members.
  • the material composition used for at least one of the rigid members comprises one or more of the materials of the group consisting of: polyolefin, ABS (acrylonitrile butadiene styrene), PA (polyamide), PBT copolyesters (polybutylene terephthalate), polyethylene, polypropylene, polystyrene, polyester, polyester (PLA and other biosorbable plastics), polycarbonate, polyvinyl chloride, polyethersulfone, polysulfone, and polyetheretherketone.
  • the material composition used for at least one of the flexible members may comprise one or more of the materials of the group consisting of: LSR (liquid silicone rubber), thermoplastic elastomers (TPE, TPU), thermoset elastomers such as silicone rubber, butadiene rubber, fluoropolymers, poly(p-xylylene) (parylene), and polyacrylate such as poly(methyl methacrylate) (PMMA).
  • LSR liquid silicone rubber
  • TPE thermoplastic elastomers
  • TPU thermoset elastomers
  • silicone rubber butadiene rubber
  • fluoropolymers poly(p-xylylene) (parylene)
  • PMMA polyacrylate
  • PMMA poly(methyl methacrylate)
  • the device in the extended shape extends around a central axial axis, wherein an outer diameter of the device, determined in a plane perpendicular to the axial axis, lies in a range between 50 and 70 mm, and more preferably between 55 and 65 mm, and wherein an inner diameter of the device, determined in a cross section parallel to the axial axis, lies in a range between 4 and 8 mm.
  • the device has a ring shape with a substantially constant outer diameter.
  • an internal diameter of the device, determined in a plane perpendicular to the axial axis can be smaller near at least one of the rigid members.
  • the part of the device containing functional parts of the drug delivery or diagnostic mechanism, such as the medicament container or pump. will naturally reside in the deeper part of the vagina, close to the Cervix Uteri.
  • At least one of the rigid members in isolation may have a bending strength such that when a force of 0.5N is applied at a force application point that is at a distance of 20mm relative to a fixation point at which the rigid member is held fixed, a bending angle, which corresponds to a rotation angle related to a rotation about the fixation point of a line that extends between the fixation point and the force application point due to the application of the force, does not exceed 10 degrees.
  • At least one of the flexible members in isolation may have a bending strength such that when a force of 0.5N is applied at a force application point that is at a distance of 20mm relative to a fixation point at which the rigid member is held fixed, a bending angle, which corresponds to a rotation angle related to a rotation about the fixation point of a line that extends between the fixation point and the force application point due to the application of said force, exceeds 30 degrees.
  • the vaginal drug delivery and/or diagnostic device may further comprise a transmitter configured for wireless transmission of measurement data corresponding to measurements performed by the sensor and/or measurement data or diagnosis information outputted by the diagnostic device. Additionally or alternatively, the device may comprise a receiver for wirelessly receiving control commands for remote control of at least one of the pump, the sensor, and the diagnostic device. The receiver and transmitter may be combined into a single transceiver unit.
  • FIG. 1 schematically illustrates an embodiment of a device 1 in accordance with the present invention.
  • This device comprises a container 2 for holding a medicament through an opening (not illustrated) of device 1.
  • a pump 3 is used for pumping the medicament out of the opening.
  • a sensor 4 is used to determine the flow rate of medicament through the opening. The flow sensor may act indirectly by measuring the filling level of container 2.
  • Device 1 comprises a further sensor 5 that measures for example a hormone level or glucose, or a medicine. Information from sensor 4 and from sensor 5 is fed to a controller 6 which controls pump 3. Hence, it is possible to deliver drugs inside the vagina based on hormone levels measured inside the vagina and/or the level inside container 2.
  • Device 1 could be embodied as a device for delivering GnRH for ovulation induction of the Kallmann syndrome (or of other hypo-hypo conditions).
  • sensor 5 could be configured for measuring Oestradiol and/or LH (in the cervical mucus or transudate of the vaginal mucosa) for prediction of the pending ovulation and discontinuation of the drug delivery.
  • Device 1 could also be embodied as a device for delivering insulin.
  • sensor 5 could be configured for measuring the glucose level (in the transudate of the vaginal mucosa) allowing controller 6 to subsequently change the dose of insulin.
  • Sensor 5 could also be embodied as a sensor that measures a level of medicine in the body via transudate of the mucosa. This information could be used by controller 6 to subsequently change the vaginal drug delivery if needed. Especially in known non-compliant patients (e.g. depression and other chronic diseases) a constant and therapeutic level of medication is of vital importance.
  • a battery 7 is used to provide electrical power to any of the components in device 1 that require electrical power. It should be appreciated that other forms of energy could equally be used.
  • Device 1 may further comprises a diagnostic function 8 that is coupled to a sensor 9, which sensor measures a hormone level, a physiological parameter, or medicine.
  • This diagnostic function could be used for ovulation prediction ,or monitoring of an assisted reproduction cycle (IVF, ovulation stimulation, artificial insemination) where monitoring the (increase of) the hormone levels like E2,LH and progesterone to diagnose the pending ovulation or moment of ovulation induction (with HCG) is of vital importance.
  • device 1 could be measuring the glucose level (in the transudate of the vaginal mucosa) to determine the need for insulin delivery for diabetes treatment.
  • diagnostic function 8 can be embodied as a processor and may be integrated with controller 6.
  • diagnostic function 8 Based on measurements obtained by sensor 9, diagnostic function 8 performs a diagnosis or solely processes the measurements. This information is fed back to controller 6, which may control pump 3 in dependence of the output of diagnostic function 8. Alternatively or additionally, controller 6 supplies data from sensor 4, sensor 5, and/or diagnostic function 8 to a transceiver 10 for wirelessly transmitting the data to a receiver preferably external to the body of the user.
  • device 1 may be limited to performing the measurements and/or making the diagnosis. For instance, device 1 may be configured to only measure the glucose level and to transmit the corresponding measurement data to an external device. This external device may display the measurement data and/or may comprise or control an insulin pump. This approach can be extended to other types of measurements as well.
  • transceiver 10 allows device 1 to communicate results to an outside computer or handheld device. This data transfer may be related to the drug delivery function only (dosage, frequency, timing), thus indicating the rate of compliance to therapy, or to the diagnostic function only (prediction of moment of ovulation, measurement of glucose level or level of medication), or to the integrated functions of both. Additionally or alternatively, transceiver 10 may also be used to receive data from an external transmitter to control the functionality of device 1. Such data could for instance comprise control data that instructs controller 6 to start/stop delivering the medicament using pump 3 or to start/stop performing a diagnosis by diagnostic function 8.
  • transceiver 10 could be embodied as a transmitter or receiver only.
  • Figure 2 illustrates a possible shape of a device in accordance with the present invention in an extended (left) and collapsed state (right).
  • This shape comprises a first rigid member 101, a second rigid member 102, a first flexible member 111, and a flexible part 110.
  • first flexible member 111 is made of an elastic material and comprises a recess 105 to allow first and second rigid member 101, 102 to move towards each other when device 100 is squeezed into the collapsed state.
  • the functional parts of the drug delivery and/or diagnostic mechanism are incorporated into the rigid members 101, 102, whereas the (electrical) interconnect can be accommodated in the flexible member 111 or flexible part 110.
  • Figure 3 illustrates the device of figure 2 showing an exemplary arrangement of some of the components of the device of figure 1 .
  • the functional parts of the drug delivery mechanism i.e. battery 7, controller 6, pump 3, reservoir 2, and sensor 5 are incorporated in first rigid member 101 and second rigid member 102.
  • an opening 120 can be identified through which the medicament held in reservoir 2 is pumped out by pump 3. This opening will be located at such a place on the outer perimeter of the ring to guarantee optimal contact with the vaginal mucosa.
  • an electrical interconnect 121 can be seen that connects the various components to each other and to battery 7.
  • a transceiver may be incorporated in controller 6 or may alternatively be arranged as a separate component in first rigid member 101. This transceiver allows data communication between controller 6 and external systems or devices for remote control or for exchanging data such as measurement data.
  • First rigid member 101 may be provided with an opening or membrane to enable sensor 5 to perform a predefined measurement. Similar openings or membranes can be provided if additional sensors are used which may or may not be arranged in first rigid member 101. These openings will be located at such places on the outer or inner perimeter of the ring to guarantee optimal contact with the vaginal mucosa or cervical mucus.
  • the relevant components of the drug delivery mechanism are arranged inside a mold. To this end, these components can be arranged in one or more rigid shells to protect these components from the remaining processing steps.
  • the electrical interconnect which preferably is flexible, is also arranged inside the mold. More in particular, all the components are electrically connected at this point. Thereafter the mold is closed, and a suitable material or materials is injection molded. In this manner, flexible part 110 and flexible member 111 are formed and surround the electrical interconnect. This same material ensures that the various shells, if used, become fixedly connected to flexible part 110 and flexible member 111.
  • a rigid member may comprise a rigid shell that is generally coated or covered with the material that is used for flexible member 111 and/or flexible part 110.
  • flexible member 111 can be made from a different material.
  • flexible member 111 is made from elastic material whereas flexible part 110, and therefore the material that may cover the shells of rigid members 101, 102, is merely flexible.
  • Such material for flexible member 111 can be placed inside the mold prior to injection molding.
  • the various components for the drug delivery and diagnosis mechanism need not be fully arranged inside the rigid members. In some cases, the components may extend into the flexible and/or elastic members or parts of the device.
  • Figure 4 illustrates the device of figure 3 being inserted into the vagina.
  • a body 200 of the user is shown indicating the Urethra 201, the Vagina 202, and the Uterus 203.
  • the user Prior to inserting device 100, it is squeezed to transform the shape into the collapsed state. Thereafter, the user inserts device 100 into vagina 202, and moves device 100 close to Cervix Uteri 204 or Fornix Uteri 205, where device 100 is released. Due to its elasticity, device 100 regains its original shape, at least to a substantial extent. Due to its shape and size, device 100 rests against the vaginal wall. This positioning allows appropriate measurements to be performed. Moreover, this position ensures that little to no pain is observed by the user and that any impact of device 100 on coitus is minimized.
  • Figure 5 illustrates different possible shapes of a device in accordance with the present invention in an extended and collapsed state. Comparing these shapes to the shape indicated in figure 2 it can be observed that flexible part 110 has been replaced by a second flexible member 112, a third flexible member 113, a fourth flexible member 114, a third rigid member 103, and a fourth rigid member 104.
  • the shapes in the top half indicate the extended shapes, whereas the shapes in the bottom half represent the corresponding collapsed states.
  • the shape to be used depends on the amount of functional parts to be accommodated in the rigid members and the relative sizes of these components.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
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EP15188465.7A 2015-10-06 2015-10-06 Vaginale arzneimittelabgabevorrichtung und vaginale diagnostische vorrichtung Withdrawn EP3153137A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP15188465.7A EP3153137A1 (de) 2015-10-06 2015-10-06 Vaginale arzneimittelabgabevorrichtung und vaginale diagnostische vorrichtung
JP2018517822A JP7159045B2 (ja) 2015-10-06 2016-10-05 膣用薬剤送達装置および膣診断装置
ES16781335T ES2793352T3 (es) 2015-10-06 2016-10-05 Dispositivo de administración vaginal de fármacos
PCT/EP2016/073788 WO2017060299A1 (en) 2015-10-06 2016-10-05 Vaginal drug delivery device and vaginal diagnostic device
EP16781335.1A EP3359099B1 (de) 2015-10-06 2016-10-05 Vaginale arzneimittelabgabevorrichtung
CN201680057947.3A CN108135731B (zh) 2015-10-06 2016-10-05 阴道药物递送装置和阴道诊断装置
US17/155,651 US12036033B2 (en) 2015-10-06 2021-01-22 Vaginal drug delivery device and vaginal diagnostic device

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EP15188465.7A EP3153137A1 (de) 2015-10-06 2015-10-06 Vaginale arzneimittelabgabevorrichtung und vaginale diagnostische vorrichtung

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EP15188465.7A Withdrawn EP3153137A1 (de) 2015-10-06 2015-10-06 Vaginale arzneimittelabgabevorrichtung und vaginale diagnostische vorrichtung
EP16781335.1A Active EP3359099B1 (de) 2015-10-06 2016-10-05 Vaginale arzneimittelabgabevorrichtung

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AU2022227945A1 (en) 2021-02-28 2023-07-27 Ligalli Bv Treatment of overactive bladder with oxybutynin applied by means of a vaginal ring
WO2023062181A1 (en) 2021-10-14 2023-04-20 Ligalli B.V. Tumor markers
NL2032800B1 (en) 2022-08-18 2024-02-27 Ligalli B V Vaginal ring device with Bluetooth connectivity

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WO2019201713A1 (en) * 2018-04-10 2019-10-24 Ligalli B.V. Vaginal systemic drug delivery
CN111971039A (zh) * 2018-04-10 2020-11-20 里加利私人有限公司 阴道全身药物递送
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WO2017060299A1 (en) 2017-04-13
CN108135731A (zh) 2018-06-08
CN108135731B (zh) 2021-07-23
EP3359099A1 (de) 2018-08-15
ES2793352T3 (es) 2020-11-13
JP7159045B2 (ja) 2022-10-24
JP2018536446A (ja) 2018-12-13
EP3359099B1 (de) 2020-03-11
US12036033B2 (en) 2024-07-16
US20210137444A1 (en) 2021-05-13

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